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AMD Describes Zen for Servers

SAN JOSE, Calif. — Advanced Micro Devices will announce the first server processor based on its Zen x86 core at the Open Compute Project event here this week. AMD’s Naples, available by June, packs more cores, memory, and I/O than Intel’s Broadwell, beating it in seismic analysis benchmarks.

The news comes as AMD starts sales of Zen-based desktop chips. Initial reports from people testing the chips showed results that were less flattering than original benchmarks that AMD revealed last month.

A Naples processor packs 32 dual-threaded cores, eight memory channels running up to 2,400 MHz, and 128 lanes of PCI Express Gen 3. AMD showed it finishing seismic analysis tests faster than Intel Broadwell chips, even when the AMD-based systems were throttled back to the slower memory speeds and fewer cores on Broadwell.

AMD noted that Naples completed one test that the Broadwell chips could not because the Intel chips did not support enough main memory for the test.

Naples sports 32 dual-threaded cores, eight 2,400-MHz memory channels, and 128 PCI Express Gen 3 lanes. (Source: AMD)

Naples sports 32 dual-threaded cores, eight 2,400-MHz memory channels, and 128 PCI Express Gen 3 lanes. (Source: AMD)

In an interview, Forrest Norrod, a former Dell server executive who now heads AMD’s server and semi-custom group, set low expectations for Naples. He noted that the company has negligible market share in x86 server CPUs today.

To read the rest of this article, visit EBN sister site EETimes

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